Snippets for librecad 2.2.1.5 from Nix aarch64-darwin

Sourced from https://hydra.nixos.org/log/463b3ffjilk7b0fiicl8b82ghqw25hxi-librecad-2.2.1.5.drv.

• actions/rs_actiondefault.cpp:67:20: warning: unused variable 'minHighLightDuplicates' [-Wunused-const-variable]
     67 | constexpr unsigned minHighLightDuplicates = 4;
        |                    ^~~~~~~~~~~~~~~~~~~~~~
  

• actions/rs_actiondefault.cpp:68:20: warning: unused variable 'maxHighLightDuplicates' [-Wunused-const-variable]
     68 | constexpr unsigned maxHighLightDuplicates = 20;
        |                    ^~~~~~~~~~~~~~~~~~~~~~
  

• actions/lc_actionlayersexport.cpp:131:19: warning: private field 'm_list' is not used [-Wunused-private-field]
    131 |     RS_LayerList* m_list=nullptr;
        |                   ^
  

• ui/lc_filedialogservice.cpp:87:11: warning: unused variable 'numberOf_openFileModes' [-Wunused-const-variable]
     87 | const int numberOf_openFileModes = 0;
        |           ^~~~~~~~~~~~~~~~~~~~~~
  

• ui/lc_filedialogservice.cpp:111:11: warning: unused variable 'defaultFilters_indices' [-Wunused-const-variable]
    111 | const int defaultFilters_indices[] =
        |           ^~~~~~~~~~~~~~~~~~~~~~
  

• circletools.cpp:724:9: warning: variable 'matched' set but not used [-Wunused-but-set-variable]
    724 |     int matched = 0;
        |         ^
  

• circletools.cpp:270:13: warning: unused function 'changeCircleLayerInPlace' [-Wunused-function]
    270 | static bool changeCircleLayerInPlace(Plug_Entity* ent, const QString& targetLayer, bool& outAlreadyOnLayer) {
        |             ^~~~~~~~~~~~~~~~~~~~~~~~